Search Results - "Figge, H"

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  1. 1

    Self-Assembly of Hydrogensquarates: Crystal Structures and Properties by Koleva, B. B, Kolev, T, Seidel, R. W, Spiteller, M, Mayer-Figge, H, Sheldrick, W. S

    “…The self-assembly of the hydrogensquarates is elucidated by means of linear-polarized infrared (IR-LD) spectroscopy of oriented colloids in nematic host and…”
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    Journal Article
  2. 2

    Synthesis, crystal structures and catalytic oxidation of aromatic hydrocarbons by oxovanadium(V) complexes of aminebis(phenolate) ligands by Maity, Dipankar, Marek, Jaromir, Sheldrick, W.S., Mayer-Figge, H., Ali, Mahammad

    “…The coordination chemistry of two aminebis(phenolate) ligands (H 2L 1 and H 2L 2) around vanadium(V) is described. Vanadium(V) oxo complexes ( 1, 2 and 3) of…”
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    Journal Article
  3. 3

    Expression of cytochromes P450 in human breast tissue and tumors by Huang, Z, Fasco, M J, Figge, H L, Keyomarsi, K, Kaminsky, L S

    Published in Drug metabolism and disposition (01-08-1996)
    “…In an effort to determine which members of the cytochrome P450 (CYP) superfamily are expressed in human breast tissue and tumors, RNA-polymerase chain reaction…”
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    Journal Article
  4. 4

    Molecular spectral analysis and crystal structure of the 4-aminopyridinium tetrachloropalladate(II) complex salt by Ivanova, B.B., Arnaudov, M.G., Mayer-Figge, H.

    Published in Polyhedron (15-09-2005)
    “…The distortion of aromatic character and stabilization of imino-form as a result of N py protonation of 4-aminopyridine was proved by conventional and…”
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    Journal Article
  5. 5

    Polymorphs of 4-(dihydroxymethyl)pyridinium hydrogensquarate – Crystal structures and spectroscopic properties by Kolev, T., Seidel, R.W., Koleva, B.B., Mayer-Figge, H., Spiteller, M., Sheldrick, W.S.

    Published in Journal of molecular structure (14-08-2009)
    “…The novel salt of a geminal diol 4-(dihydroxymethyl)pyridinium hydrogensquarate was derived from isonicotinaldehyde and squaric acid in water. Two polymorphs…”
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    Journal Article
  6. 6

    Anyles of 4-benzoylpyridine – Crystal structure and spectroscopic properties by Kolev, T., Tsanev, T., Kotov, S., Mayer-Figge, H., Spiteller, M., Sheldrick, W.S., Koleva, B.

    Published in Dyes and pigments (01-08-2009)
    “…Two novel anyles of 4-benzolylpyridine, namely N, N-diethyl- N′-[( Z)-phenyl(pyridin-4-yl)methylidene]benzene-1,4-diamine and its N-ethylpyridinium salt were…”
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    Journal Article
  7. 7

    Properties of the Michael's adducts of the substituted 2-amino-5-oxonitriles by Tacheva, D., Ivanova, B.B., Mayer-Figge, H., Sheldrick, W.S., Spiteller, M.

    “…A series of five substituted 2-amino-5-oxonitriles, obtained by the Michael reaction have been designed, synthesised, isolated and spectroscopically and…”
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    Journal Article
  8. 8

    Structural, spectroscopic and theoretical study of novel ephedrinum salt by Ivanova, B., Kolev, T., Lamshöft, M., Mayer-Figge, H., Seidel, R., Sheldrick, W.S., Spiteller, M.

    Published in Journal of molecular structure (05-05-2010)
    “…Ephedrinum violurate dihydrate was synthesized, spectroscopically and structural elucidated. The data are compared with those of the free-base ephedrine…”
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    Journal Article
  9. 9

    Synthesis, spectroscopic and structural elucidation of 1-butyl-4-[2-(3,5-dimethoxy-4-hydroxyphenyl)ethenyl)]pyridinium chloride tetrahydrate by Koleva, B.B., Kolev, T., Lamshöft, M., Mayer-Figge, H., Sheldrick, W.S., Spiteller, M.

    “…The novel chloride salt of 1-butyl-4-[2-(4-hydroxyphenyl)ethenyl)]pyridine ( 1), has been synthesized as the tetrahydrate and its structure and properties…”
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    Journal Article
  10. 10

    1,10-Phenanthrolinium hydrogensquarate monohydrate—A non-centrosymmetric structure from two non-chiral agents by Kolev, Ts, Koleva, B.B., Nikolova, R., Seidel, R.W., Mayer-Figge, H., Spiteller, M., Sheldrick, W.S.

    “…The novel hydrogensquarate salt of 1,10-phenanthroline has been synthesized, isolated and structurally elucidated by single crystal X-ray diffraction…”
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    Journal Article
  11. 11

    Hydrogensquarates of 3-nicotinoyl and 3-isonicotinoyl coumarin—Crystal structures and spectroscopic elucidation by Koleva, B.B., Nikolova, R., Kolev, T., Mayer-Figge, H., Spiteller, M., Sheldrick, W.S.

    “…Two novel hydrogensquarates of 3-nicotinoyl (1) and 3-isonicotinoyl (2) coumarin have been synthesized and their structures and properties elucidated…”
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    Journal Article
  12. 12
  13. 13

    Two novel violurate and squarate salts of cinchonine – Structures and physical properties by Koleva, B.B., Bakalska, R., Seidel, R.W., Kolev, T., Mayer-Figge, H., Sheldrick, W.S., Spiteller, M.

    Published in Journal of molecular structure (25-02-2010)
    “…The correlation between the structural and the physical properties in solid state of two novel salts of cinchonine, cinchoninium violurate monohydrate ( 1) and…”
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    Journal Article
  14. 14

    N-methylcodeinium iodide—Crystal structure and spectroscopic elucidation by Seidel, R.W., Bakalska, B.R., Kolev, T., Vassilev, D., Mayer-Figge, H., Spiteller, M., Sheldrick, W.S., Koleva, B.B.

    “…The correlation between the structure and the spectroscopic properties of N-methylcodeinium iodide ( 1) has been studied, using the methods of single crystal…”
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    Journal Article
  15. 15

    Novel pyridyl-substituted coumarin and its perchlorate salt-crystal structure and spectroscopic properties by Koleva, B. B., Nikolova, R., Zareva, S., Kolev, T., Seidel, R. W., Mayer-Figge, H., Sheldrick, W. S.

    Published in Journal of physical organic chemistry (01-08-2009)
    “…The novel pyridyl‐substituted coumarin (1) and its perchlorate salt (2) have been synthesized and their structure and properties elucidated in detail…”
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    Journal Article
  16. 16

    Crystal structure and feasibility of intramolecular proton transfer reaction of salicylaldazine by Mijanuddin, Md, Sheldrick, W.S., Mayer-Figge, H., Ali, Mahammad, Chattopadhyay, Nitin

    Published in Journal of molecular structure (01-05-2004)
    “…The work describes characterization of salicylaldazine by IR, NMR and single crystal X-ray diffraction studies. The compound crystallizes in the monoclinic…”
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    Journal Article
  17. 17

    Overcurrent protection for the LLC resonant converter with improved hold-up time by Figge, H, Grote, T, Fröhleke, N, Böcker, J, Schafmeister, F

    “…The LLC resonant converter topology enables high DC-DC conversion efficiency and has been recently adopted for power supplies in several application areas. In…”
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    Conference Proceeding
  18. 18

    Crystal Structure of 1-Methyl-4-[2-(4-hydroxyphenyl)ethenyl]pyridinium hydrogensquarate by IVANOVA, B. B., KOLEV, T., Mayer-FIGGE, H., SHELDRICK, W. S., SPITELLER, M.

    Published in X-ray Structure Analysis Online (2010)
    “…The structure of 1-methyl-4-[2-(4-hydroxyphenyl)ethenyl)]pyridinium hydrogensquarate was determine by X-ray crystallography. A symmetry operation (-x+1, -y,…”
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    Journal Article
  19. 19

    The Effect of Fire, Mowing and Fertilizer Amendment on Arbuscular Mycorrhizas in Tallgrass Prairie by EOM, AHN-HEUM, HARTNETT, DAVID C, WILSON, GAIL W. T, FIGGE, DEBORAH A. H

    Published in The American midland naturalist (01-07-1999)
    “…Tallgrass prairie sites subjected to 10 y of annual burning, mowing, nitrogen (N) fertilization or phosphorus (P) fertilization and untreated reference sites…”
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    Journal Article
  20. 20

    Paralleling of LLC resonant converters using frequency controlled current balancing by Figge, H., Grote, T., Froehleke, N., Boecker, J., Ide, P.

    “…Paralleling of two LLC resonant converters leads to a significant reduction of current stress in the output filter capacitor, provided that the driving signals…”
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    Conference Proceeding